Text as Data

The videos below are selected to support and extend the concepts covered this week. Watch them before or after working through the exercises.

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Introduction to Text Mining in R

Covers TF-IDF, n-grams, and sentiment analysis using the tidytext package.

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Sentiment Analysis with Tidytext

A hands-on project example using tidytext for sentiment analysis — fits well with the Session 12 content.

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Regex

An introduction to regular expressions — patterns for matching, extracting, and transforming text data.

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